This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

How can I change the default for reading a pdf?

more options

I accidentally set it to "notepad" so a bunch of code comes up instead of the pdf. How can I change the default? I'm using Firefox ESR 17.0.10. Thanks.

I accidentally set it to "notepad" so a bunch of code comes up instead of the pdf. How can I change the default? I'm using Firefox ESR 17.0.10. Thanks.

All Replies (1)

more options

Hello,

  1. 1. go to the file that you want to fix
  2. 2. right click it
  3. 3. open with..
  4. 4. choose default then Adobe reader